Gravitational lensing of distant galaxies
{"Image ImageDescription": "This diagram illustrates how gravitational lensing by foreground  galaxies will  influence the appearance of far more distant background  galaxies. This means  that as many as 20 percent of the most distant  galaxies currently detected will  appear brighter because their light is  being amplified by the effects of  foreground intense gravitational  fields. The plane at far left contains background high-redshift galaxies. The  middle  plane contains foreground galaxies; their gravity amplifies the  brightness of  the background galaxies. The right plane shows how the  field would look from  Earth with the effects of gravitational lensing  added. Distant galaxies that might otherwise be invisible appear due to  lensing effects.", "Image Software": "Adobe Photoshop CS5 Macintosh"}